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4022224 = 2419101131
BaseRepresentation
bin1111010101111111010000
321120100110021
433111333100
52012202344
6222113224
746121413
oct17257720
97510407
104022224
1122a7a58
12141b814
13aaaa1b
14769b7a
15546b84
hex3d5fd0

4022224 has 40 divisors (see below), whose sum is σ = 8347680. Its totient is φ = 1872000.

The previous prime is 4022203. The next prime is 4022257. The reversal of 4022224 is 4222204.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 4022198 and 4022207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30639 + ... + 30769.

It is an arithmetic number, because the mean of its divisors is an integer number (208692).

Almost surely, 24022224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4022224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4173840).

4022224 is an abundant number, since it is smaller than the sum of its proper divisors (4325456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4022224 is a wasteful number, since it uses less digits than its factorization.

4022224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4022224 is about 2005.5483040805. The cubic root of 4022224 is about 159.0335490827.

Adding to 4022224 its reverse (4222204), we get a palindrome (8244428).

The spelling of 4022224 in words is "four million, twenty-two thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 19 38 76 101 131 152 202 262 304 404 524 808 1048 1616 1919 2096 2489 3838 4978 7676 9956 13231 15352 19912 26462 30704 39824 52924 105848 211696 251389 502778 1005556 2011112 4022224